API, webhooks and backend

Statuses, idempotency, retries, audit logs and technical contracts. A VPOS.am article cluster for businesses, developers and integration teams.

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Webhooks and payment statuses: safe architecture
API, webhooks and backend 10 min read

Webhooks and payment statuses: safe architecture

A backend-first approach to payment callbacks/webhooks and reliable order status transitions.

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Payment API integration for a custom website: payment sessions and webhooks
API, webhooks and backend 9 min read

Payment API integration for a custom website: payment sessions and webhooks

A custom website gives full checkout control, but it needs a strict backend contract, statuses and repeatable event processing.

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